All Free Online Tools

Check your Instagram bio character length live against the official 150-character limit. Count line breaks, emojis, and preview mobile layout.

Test page title and meta description length with live Google SERP preview. Measure pixel width on desktop and mobile to avoid truncated snippets.

Convert numbers to words in Indian rupees and paise or international format. Instant tool for bank cheques, GST invoices, and financial vouchers.

Remove line breaks and clean unwanted carriage returns from pasted text. Format court orders, PDF paragraphs, and spreadsheet lists in one click.

Sort text lists alphabetically from A to Z or Z to A, by length, or natural numeric order. Remove duplicate lines and reverse or shuffle lists online.

Convert article titles and headlines into clean, SEO-friendly URL slugs. Supports hyphen separators, accent removal, stop words, and Hindi Unicode text.

Calculate arithmetic mean, median, mode, sum, range, and weighted averages for any series of numbers instantly in your browser.

Convert CGPA to percentage using the official CBSE 9.5 formula or custom university scales. Calculate semester SGPA and reverse percentage to CGPA instantly.

Calculate compound interest growth, annual compounding schedules, and maturity values for bank fixed deposits, mutual fund debt, and long-term savings.

Calculate exact days, weeks, months, and years between any two dates. Includes working business days calculation, leap year handling, and quick presets.

Calculate final sale prices, rupee savings, stacked credit card discounts, and reverse original MRP. Fast online shopping price calculator with Indian rupee formatting.

Add or subtract time durations, calculate elapsed shift time across midnight, and convert between clock time and payroll decimal hours instantly.

Convert agricultural and residential land measurements between Acre, Bigha, Biswa, Gaj, Sq Ft, Guntha, Cent, and Hectare with accurate Indian state standards.

Calculate total marks, overall percentage, and academic division across multiple subjects. Includes CBSE and state board presets with pass-fail validation.

Calculate vehicle mileage in km/L and L/100km, estimate total trip fuel costs, calculate running cost per km, and split fuel bills among travel passengers.

Calculate profit or loss amounts, percentage on cost price, gross profit margin on selling price, and target selling prices for retail and wholesale business.

Simplify ratios to lowest terms using GCD, solve missing variables in proportions (A:B = C:D), and split monetary amounts or quantities proportionally.

Calculate RD maturity values, quarterly compounded interest, and total earnings using Indian Banks Association (IBA) formula with schedule table and senior citizen benefit.

Calculate reverse GST to extract net base price and tax amounts from inclusive totals, or add GST to pre-tax bills. Includes CGST, SGST, and IGST breakdowns for all CBIC slabs.

Calculate simple interest, maturity value, and monthly interest earnings. Free financial calculator with flexible time units and Indian rupee formatting.

Compress image to KB online: reduce a photo, signature or scan to 20, 50, 100 or 200 KB. Runs in your browser, so your image is never uploaded.

Convert JPG, PNG, and WebP images into a single professional PDF document. Reorder pages, customize margins, select A4 or Letter sizes, and download 100% privately in your browser.

Resize candidate photos and signatures to exact dimensions in cm, px, DPI, and KB for SSC, UPSC, IBPS, and state government online application forms.

Convert numbers across binary, decimal, hexadecimal, octal, and custom bases from 2 to 36. Bidirectional real-time conversion with BigInt precision, bit-length statistics, and digit grouping.

Convert colors across HEX, RGB, HSL, and CMYK in real time. Features WCAG 2.1 contrast ratio verification, tints and shades palette generation, and interactive eyedropper screen sampling.

Convert numbers to Roman numerals and Roman numerals to numbers from 1 to 3999. Bidirectional real-time conversion with step-by-step breakdown, historical rules, and virtual keypad.

Convert Unix timestamps to human-readable date and time across UTC, Indian Standard Time (IST), and local device time. Real-time live epoch clock, auto seconds or milliseconds detection, and Year 2038 advisory.

Countdown to any future event, exam, or deadline with an online countdown timer. Features reload survival via local storage, synthesized audio alarm, fullscreen classroom mode, and preset intervals.

Boost daily productivity and study focus with an online Pomodoro timer. Features customizable work and break intervals, browser tab drift prevention, audio chimes, and desktop notifications.

Pick random winners, raffle entries, and classroom volunteers with a fair spinning wheel. Features cryptographically secure randomness, multiple winners, duplicate avoidance, and celebratory sound effects.